Ambrose of Milan

So he says to her, as if to one who is perfect, … "Turn your eyes from me," because she cannot withstand the fullness of his divinity and the splendor of the true light.Yet we can also take "turn your eyes from me" as follows: "Although you have been perfected, I must still redeem other souls and strengthen them. For you exalt me by looking upon me, but I have descended so that I may exalt all humankind. …

On Isaac and the Soul 7.57 ↗

Bede

Hair like a flock of goats, etc. These verses and the following ones placed above have been fully explained to the best of our understanding; but let us not hesitate to reiterate in explanation what the author of the sacred song did not hesitate to repeat in writing, so that we may either recall what was said before to memory or, with the help of divine grace, do something new usefully. …

Commentary on the Song of Songs ↗

Bonaventure

The mind cannot see it with intellectual eyes, and so they must be turned away. Hence it is said in the Canticle: "Turn away thy eyes from me, for they have made me flee away." For Christ goes away when the mind attempts to behold this wisdom through intellectual eyes; since it is not the intellect that can go in there, but the heart.

Collations on the Hexaemeron, Collation 2 ↗